Politicians around the country have been responding to President Donald Trump's order to kill Iranian Maj. Gen. Qassem Soleimani. This is also the case in Iowa, where the caucuses are now less than a month away.
Many of the Democrats were in the state this weekend, including two of the front runners: Joe Biden and Bernie Sanders.
In Waterloo, Former Vice President Joe Biden spent time calling possible supporters to see if he could count on their support on February 3.
He held a flip phone to his right ear.